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References
1.
Bodecker, C.F.
, J. D. Res. , 16 : 51 , 1937 .
2.
Hyatt, T.P.
AND
Lotka, A.J.
, J. D. Res. , 9 : 411 , 1929 .
3.
Hollander, F.
AND
Dunning, J.M.
, J. D. Res. , 18 : 43 , 1939 .
